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by **crispy'86** » Wed Mar 23, 2005 11:59 pm

Going to do a head gasket for a guy i know, he wants to put a 4age big port blue top head onto his 4agze. It's a big port 4agze from an ae92 so are there differences between the two with oil galleries and water galleries in different place?? Any advantage/disadvantage with this? he was going to put blue top cams in but he thinks a 4age head would do the trick. I'm not so convinced it'll be a straight forward thing.
Any people know??
Engine running a turbo set-up

by **ATAl** » Thu Mar 24, 2005 12:04 am

They are exactly the same head, and to remove the head you have to take the cams out anyway so it would be far easier just to swap cams.

by **Drifter4ag** » Thu Mar 24, 2005 12:06 am

swap swap mate
no diff
headgasket use BR900 from appco/repco

by **crispy'86** » Thu Mar 24, 2005 8:49 am

yeah i know about taking the cams out to take head off, i've done enough of them but haven't come across the head swapping before

by **Bazda** » Thu Mar 24, 2005 2:36 pm

use the bluptop cams, they have better duration, makes the gze rev out a bit better.

by **FLAWLES** » Thu Mar 24, 2005 4:10 pm

hey bazda do u have blue top cams in ur ze?

did u have any probs starting the car afterwards?

reason being i slapped some blue top cams in and " timed them " but no go. i have spark, fuel , air , dignostics are sweet
any ideas?

oh and just go get a TRD head gasket man there cheep anuff dont piss around with after market stuff
ether TRD or OE
nuff said

by **vvega** » Thu Mar 24, 2005 4:43 pm

hahhahahahhahahah

v

by **FLAWLES** » Thu Mar 24, 2005 5:43 pm

vvega wrote:hahhahahahhahahah

v

i forget how much i hate you :lol:

im towing my car to you so u can fix it

its payment for pushing your car around all bloody day :lol:

by **ChaosAD** » Thu Mar 24, 2005 7:15 pm

Have you set the tappets?

by **Bazda** » Thu Mar 24, 2005 7:49 pm

yep i just slapped them in, it was all sweet, the tappets were fine, clearances were all within tolerance.

maybe u left off some wire...

by **crispy'86** » Fri Mar 25, 2005 10:26 pm

oh and just go get a TRD head gasket man there cheep anuff dont piss around with after market stuff
ether TRD or OE
nuff said[/quote]

with the trd gasket wouldn't it raise the compression a bit much for detonation to take place?? ummm i forgot to mention this guy is running a turbo setup on it too

by **Mr Revhead** » Sat Mar 26, 2005 10:56 am

seeing as its a big port ze its the lower comp engine, so fitting a 0.8MM trd will probably be fine, depends on the boost and if anything else has been done to alter the compression. it certainly wont raise the compression to the same levels as the small port ze!

the stock gasket is 1.2mm

by **crispy'86** » Sat Mar 26, 2005 7:25 pm

Yep i'll let him know
thanks people

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